unique

adj.

#kind, one

in a class by itself

adj.

#only, interesting

special

adj.

#only, interesting

only

adj., n.

#one, interesting

distinctive

adj.

#interesting, one

only one

adj., n.

#feature

exceptional

adj.

#one, interesting

single

adj.

#rarity

sole

adj.

#interesting

unparalleled

adj.

#interesting, kind

inimitable

adj.

#only, interesting

one and only

adj.

#only, kind

one in a million

adj.

#one, unique

one-off

adj., n.

#kind, one

unusual

adj.

#interesting

rare

adj.

#interesting

singular

adj.

#only, interesting

one

adj., n.

#feature

second to none

adj.

#kind, special

unprecedented

adj.

#kind, only

without equal

adj.

#kind, only

wonder

n.

beyond compare

adj.

#kind, single

peculiar

adj.

#interesting, one

sui generis

adj.

#kind, one

treasure

n.

uncommon

adj.

#interesting

curio

n.

#uncanny, unique

exclusive

adj.

#only, interesting

incomparable

adj.

#one, kind

one-of-a-kind

adj., n.

#kind, one

peerless

adj.

#interesting, kind

rarity

n.

unique example

adj., n.

#unique, rare

unmatched

adj.

#interesting, kind

matchless

adj.

#interesting, kind

off the beaten track

particular

adj.

#interesting, one

unexampled

adj.

#kind, single

best

adj.

#kind, only

best ever

adj.

in a class of one's own

adj.

in a league of its own

adj.

in a league of one's own

adj.

nonpareil

adj., n.

#kind, single

notable

adj.

#interesting, kind

outstanding

adj.

#rarity

phenomenal

adj.

#interesting, kind

rare thing

n.

remarkable

adj.

#kind, single